US7667728B2 - Video and audio conferencing system with spatial audio - Google Patents
Video and audio conferencing system with spatial audio Download PDFInfo
- Publication number
- US7667728B2 US7667728B2 US11/252,188 US25218805A US7667728B2 US 7667728 B2 US7667728 B2 US 7667728B2 US 25218805 A US25218805 A US 25218805A US 7667728 B2 US7667728 B2 US 7667728B2
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- United States
- Prior art keywords
- microphones
- audio
- audio signal
- participant
- directional information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/401—2D or 3D arrays of transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
Abstract
Description
Claims (14)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/252,188 US7667728B2 (en) | 2004-10-15 | 2005-10-17 | Video and audio conferencing system with spatial audio |
US11/406,071 US8237770B2 (en) | 2004-10-15 | 2006-04-18 | Audio based on speaker position and/or conference location |
US13/468,641 US20120224022A1 (en) | 2004-10-15 | 2012-05-10 | Providing Audio Playback During a Conference Based on Location of Corresponding Video on a Display |
US13/468,172 US8878891B2 (en) | 2004-10-15 | 2012-05-10 | Providing audio playback during a conference based on conference system source |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61921204P | 2004-10-15 | 2004-10-15 | |
US67596505P | 2005-04-29 | 2005-04-29 | |
US67596205P | 2005-04-29 | 2005-04-29 | |
US67691805P | 2005-05-02 | 2005-05-02 | |
US11/252,188 US7667728B2 (en) | 2004-10-15 | 2005-10-17 | Video and audio conferencing system with spatial audio |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/406,071 Continuation-In-Part US8237770B2 (en) | 2004-10-15 | 2006-04-18 | Audio based on speaker position and/or conference location |
Publications (2)
Publication Number | Publication Date |
---|---|
US20060104458A1 US20060104458A1 (en) | 2006-05-18 |
US7667728B2 true US7667728B2 (en) | 2010-02-23 |
Family
ID=46282469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/252,188 Active 2028-12-24 US7667728B2 (en) | 2004-10-15 | 2005-10-17 | Video and audio conferencing system with spatial audio |
Country Status (1)
Country | Link |
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US (1) | US7667728B2 (en) |
Cited By (28)
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US20060256983A1 (en) * | 2004-10-15 | 2006-11-16 | Kenoyer Michael L | Audio based on speaker position and/or conference location |
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US20100092003A1 (en) * | 2008-10-15 | 2010-04-15 | Gygax Otto A | Integrating acoustic echo cancellation as a subsystem into an existing videoconference and telepresence system |
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